8/13/2019 365 vs 360 Day Year in the Vimshottari Dasa
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A Note on 365 vs 360 day year in the Vimshottari Dasa System
by [email protected](K!"#ine A$%$st &008'
. )e*errin% the statement inPhala Deepika(+a%e ,6' *or mahadasa
ca-c$-ation to tae
the So-ar year/ which is the time taen by the S$n to com+-ete
one ro$nd o* the odiac*rom any re*erence +osition/ 1$r$2i KSK has
%$ided to ado+t the So-ar year o* 365.25
daysalone*or ca-c$-atin% the Vimshottari Dasa system/ and to tae
360 days a year *or
easy ca-c$-ation o*sub sub (DBAS) dasa periods. (K )eader ++
,6",4'
&. his -en%th o* the So-ar year is in -ine with the
*o--owin% re*erences
' Accordin% to the +resent $niversa--y $sed 1re%orian ca-endar/
the avera%e year is365.&7&5 days/ which is a++-ied in the
Ss -ie KAstro 3.0/ 9:ora.
&' he moderns tae the mean -en%th o* the siderea- So-ar year
to be o* 365.&567
days (365d"6h",m",.50 sec'.
3' n S$rya Siddhanta/ the -en%th o* the sidera- So-ar year is
365.&584 days (365. %h5.3.30'/ which is -on%er than the above
mean -en%th (365.&567' by abo$t
3m,sec on-y.7' n Siddhanta Siromani/ a So-ar year consists o*
365.&587 days (365. %h 5.30.&&'/
which is -on%er than the above mean -en%th (365.&567' by
abo$t &m53sec on-y.
3. Some remars on the 360 day year are as %iven $nder.
' he 360 day year doesn;t re*er to the -en%th o* a So-ar year
(365.&5 days' or
8/13/2019 365 vs 360 Day Year in the Vimshottari Dasa
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365.&5 days. he act$a- dates com+$ted by ri%oro$s
ca-c$-ations by tain% act$a-
days o* the months and by this sim+-e method di**er on-y by a
*ew days acc$rate
+ractica--y *or a-- astro-o%ica- +$r+oses.
7. he K astro-o%ers and the vast/ overwhe-min% ma2ority o* Vedic
astro-o%ers/ e=ce+t
some -ie Sadasiva 1iri/ :ira 1$-ra2ani/ N. S$ndara )a2an/ )ohini
)an2an/ have $sed there%$-ar so-ar year o* 365 days. Since the 360
day year dasa o+tion is a-ready incor+orated
in the Ss -ie KAstro 3.0/ 9:ora/ the statistica- st$dy can be
done easi-y to +rove
whether the 360 day year %ives the better res$-ts. he bottom
-ine is that one can $se whatwors better *or him as an individ$a-
astro-o%er/ whi-e sim$-taneo$s-y res+ectin% the
+ersona- +re*erences o* others
)e*erences
?rihat arasara :ora Sastra
Dasa-Bhukti o!putation- 36" or 365 Daysby N. S$ndara )a2an/
heAstro-o%ica- a%a#ine/ 9an$ary &007
#or Be$inners in %yotish-3by )ohini
)an2anhtt+BBwww.bo-o2i.comBastroB00308b.htm
&o' on$ is a ear in *i!sottari +ahadasaby 9yotish Sastri/ he
Astro-o%ica-
a%a#ine/ Cctober November
&000htt+BBwww.shyamas$ndaradasa.comB2yotishBreso$rcesBartic-esBhowE-on%EyearBho
wE-on%EyearE.htm-
&o' !any Days +ake a earby ro*. S Sastri/ he Astro-o%ica-
a%a#ine/9$ne ,84
n uest o/ 0ri$in o/ Parasar1s *i!shottary Dasa-Periodby K.). Kar
in K
Astro-o%y Fear ?oo &007 no' your Dasha by A-- ndia
Astro-o%ica- Services
htt+BBwww.hind$astro-o%y.comB-earnastro-o%yBdasha.as+
P eader by K.S. Krishnam$rti
Phala Deepika, trans-ated by S.S. Sareen
4able o/ Duration o/ Dasa, Bhukti and Anthara in *i!shottari
Dasain )C>. K.
S. K)S:NAG);S Advance !m+hemeris *or ,, to &000 by ?.
?a-a
4i!in$ ents 4hrou$h *i!shottari Dashaby KN )ao
*i!ottari 7 8du Dasasby San2ay )ath
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